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Download full textHedges, Larry V.; Vevea, Jack L. – 1997
This study investigates the amount of uncertainty added to National Assessment of Educational Progress (NAEP) estimates by equating error under both ideal and less than ideal circumstances. Data from past administrations are used to guide simulations of various equating designs and error due to equating is estimated empirically. The design…
Descriptors: Ability, Elementary Secondary Education, Equated Scores, Error of Measurement
